| Poka-Yoke is a term used
in Lean
Production. It refers to a
device that prevents a mistake being made.
or makes a mistake immediately obvious.
For example, suppose a nut had to be tightened
with a torque spanner, but this could be
forgotten and the nut left finger tight
only. A fixture could be designed so that
the assembly could not be removed until
the torque spanner had recorded the correct
torque.
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